package com.rd.student.dashuju.wangbo.demo4;

//创建一个账户类
class Account {
    //    属性设置为账户id和余额
    String addountId;
    double balance;

    public Account() {
    }

    public Account(String addountId, double balance) {
        this.addountId = addountId;
        this.balance = balance;
    }

}
